Codelco

Figure 8-3. Copper and molybdenum-containing ore being mined by Codelco in Chile.

Address Huerfanos 1270 Santiago Chile Phone +56 2 690 3000 Fax +56 2 690 3059 E-mail comunica stgo.codelco.cl Web site www.codelcochile.com... 

Acknowledgements This material is based upon work supported by the National Science Foundation under Grant No. CHE-0431328. We would like to thank Asarco, Codelco and Phelps Dodge for permission to sample and financial support. 

Codelco-Chile. Exploration Division, Huerfanos 1270, Santiago, CHILE. 

Acknowledgements We thank the Codelco Exploration Division for permitting this publication and allowing the comprehensive study, for which they provided fund and logistic support to carry out the exploration in this unrecognised and unexplored area of the planet. We thank the team for all discussions and conclusions. 

Jones C.E. Rehnfeldt, J. 2001. Proyecto Nova Brasilandia, Rondonia Brasil, Resultados del Proceso de Due Diligence. Internal Report Codelco Chile. 

Boletim de Geoclenclas da Petrobras. Tassinari, C. 2002. Relatorio Interpretative dos dados isotopicos. Projecto Nova Brasilandia - Parecis. Internal Report, Codelco. 

Chile 45 Noranda Minerals Inc., CCR Did., Montreal East, Quitbec Codelco Chile... 

BioCOP [Biological COPper] A bacterial process for leaching copper from its ores. BioCOP uses an agitated tank for oxidation and leaching of copper sulfides. Developed by BUP Billiton and Codelco, which operated a demonstration plant in Chuquicamata, Chile, from 2003. Several plants have been operated commercially in Chile since then. 

When using oxy/fuel burners, substantially greater benefits can be achieved. Data from INCO s Copper Cliff Smelter indicates a 45% increase in smelting rate with simultaneous reduction in fuel consumption of 55%.9 The Noranda Home Smelter reports a 60% increase in smelting rates and an 18% reduction in fuel consumption. The fuel rates are gradually being reduced further. Codelco s Caletones Smelter reports a smelting rate improvement over 100% and a 55% reduction in fuel. Their flue gas contains S02 concentrations of 6 to 8%. 

Table 3.15. Annual production capacity of major copper producers Company Codelco Phelps Dodge BHP Billiton Rio Tinto Pic...

Casa Matriz Hu rfanos 1270, Santiago, Chile Telephone +56 2 6903000 Internet http //www.codelco.com/... 

Codelco in Chile is one of the largest producers of copper in the world. To dispose tailings to the Ovejeiia Tailings Dam, slurry had to be piped from an elevation of 4000 m above sea level down to 700 m via a 57 km (36 mUe) long pipeline. At the dam, the coarse and fine are separated using a cyclone station. Three Wirth positive displacement pumps are then used to pump the coarse material around a 4 km loop at a flow rate of 140 m /hr (616 US gpm) and at a pressure of 4.0 MPa (580 psi) (Figure 11-11). 

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